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MDEV-18512 using DATETIME(6) as row_start/row_end crashes server

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Disallow DATETIME for SYSTEM VERSIONING tables.
This commit is contained in:
Eugene Kosov
2019-02-21 18:59:28 +03:00
committed by Alexander Barkov
parent b77460508e
commit 6473641b9a
4 changed files with 17 additions and 3 deletions
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7
mysql-test/suite/versioning/r/create.result
View File

@ -508,5 +508,12 @@ row_end bigint as row end,
period for system_time (row_start, row_end)
) engine=myisam with system versioning;
ERROR HY000: `row_start` must be of type TIMESTAMP(6) for system-versioned table `t1`
create table t (
a int,
row_start datetime(6) generated always as row start,
row_end datetime(6) generated always as row end,
period for system_time(row_start, row_end)
) with system versioning;
ERROR HY000: `row_start` must be of type TIMESTAMP(6) for system-versioned table `t`
drop database test;
create database test;

9
mysql-test/suite/versioning/t/create.test
View File

@ -387,5 +387,14 @@ create or replace table t1 (
period for system_time (row_start, row_end)
) engine=myisam with system versioning;
--error ER_VERS_FIELD_WRONG_TYPE
create table t (
a int,
row_start datetime(6) generated always as row start,
row_end datetime(6) generated always as row end,
period for system_time(row_start, row_end)
) with system versioning;
drop database test;
create database test;

3
sql/handler.cc
View File

@ -7433,8 +7433,7 @@ bool Vers_parse_info::check_conditions(const Lex_table_name &table_name,
static bool is_versioning_timestamp(const Create_field *f)
{
return (f->type_handler() == &type_handler_datetime2 ||
f->type_handler() == &type_handler_timestamp2) &&
return f->type_handler() == &type_handler_timestamp2 &&
f->length == MAX_DATETIME_FULL_WIDTH;
}

1
sql/table.cc
View File

@ -2025,7 +2025,6 @@ int TABLE_SHARE::init_from_binary_frm_image(THD *thd, bool write,
switch (field_type)
{
case MYSQL_TYPE_TIMESTAMP2:
case MYSQL_TYPE_DATETIME2:
break;
case MYSQL_TYPE_LONGLONG:
if (vers_can_native)